Host Inspector

You can use the host inspector to gather information about hosts that Cloudera Manager is currently managing. You can review this information to better understand system status and
troubleshoot any existing issues. For example, you might use this information to investigate potential DNS misconfiguration.

Running the Host Inspector

Click the Inspect All Hosts button. Cloudera Manager begins several tasks to inspect the managed hosts.

After the inspection completes, click Download Result Data or Show Inspector Results to review the results.

The results of the inspection displays a list of all the validations and their results, and a summary of all the components installed on your managed hosts.

If the validation process finds problems, the Validations section will indicate the problem. In some cases the message may indicate actions you can take to
resolve the problem. If an issue exists on multiple hosts, you may be able to view the list of occurrences by clicking a small triangle that appears at the end of the message.

The Version Summary section shows all the components that are available from Cloudera, their versions (if known) and the CDH distribution to which they
belong.

Viewing Past Host Inspector Results

You can view the results of a past host inspection by looking for the Host Inspector command using the Recent Commands feature.

Click the Running Commands indicator () just to the left of the Search box at the right hand
side of the navigation bar.

Click the Recent Commands button.

If the command is too far in the past, you can use the Time Range Selector to move the time range back to cover the time period you want.

When you find the Host Inspector command, click its name to display its subcommands.

If this documentation includes code, including but not limited to, code examples, Cloudera makes this available to you under the terms of the Apache License, Version 2.0, including any required
notices. A copy of the Apache License Version 2.0 can be found here.